Pay phone deposit method for limiting overpayment by a customer
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United States of America Patent
Stats
-
Oct 16, 2001
Grant Date -
N/A
app pub date -
Aug 3, 1999
filing date -
Aug 3, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for limiting overpayment at a coin-operated telephone is disclosed. According to the method, a customer may initiate a call by first depositing a plurality of coins and then dialing the desired number. Once the number is dialed, the phone obtains the rate and compares the rate to the value of the coins deposited. If fewer coins could not have been used, the coin accepting mechanism is inhibited and the call continues normally. If fewer than all deposited coins are required to make the call, then all the deposited coins are returned to the customer and a new deposit requested. The phone then accepts coin deposits until the call rate has been met. Once the call rate has been met, further deposits are rejected and the call continues normally. Alternatively, the customer may dial the number first. The phone then obtains the rate and requests a deposit. The customer then deposits coins until the call rate is met. Once the phone recognizes that the call rate is met, further coin deposits are refused. In either case, once the minimum deposit is satisfied, the phone allows any additional deposits to pass through to the coin return for customer retrieval.
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